Cisco Systems SPS224G4 Switch User Manual


 
DHCP Commands
ip dhcp information option allowed-untrusted
SPS208G/SPS224G4/SPS2024 Command Line Interface Reference Guide 132
8
ip dhcp information option allowed-untrusted
The ip dhcp information option allowed-untrusted Global Configuration mode
command on a switch configures it to accept DHCP packets with option-82
information from an untrusted port. Use the no form of this command to configure
the switch to drop these packets from an untrusted port.
Syntax
ip dhcp information option allowed-untrusted
no ip dhcp information option allowed-untrusted
Default Configuration
Discard DHCP packets with option-82 information from an untrusted port.
Command Mode
Global Configuration mode
User Guidelines
There are no user guidelines for this command.
Example
The following example configures the switch to accept DHCP packets with option-
82 information from an untrusted port
Console(config)# ip dhcp information option allowed-untrusted